1 /* This file is part of the KDE project
3 Copyright (C) 2005 Dario Massarin <nekkar@libero.it>
5 This program is free software; you can redistribute it and/or
6 modify it under the terms of the GNU General Public
7 License as published by the Free Software Foundation; either
8 version 2 of the License, or (at your option) any later version.
15 class TransferHandler
;
16 class TransferGroupHandler
;
19 * @brief ModelObserver class
21 * A view should reimplement this class in order to receive notification about
22 * changes happened to the model
27 virtual ~ModelObserver(){}
30 * Notifies that a new "transfer group" has been added to the model
32 * @param group The "transfer group" that has just been added
34 virtual void addedTransferGroupEvent(TransferGroupHandler
* group
){ Q_UNUSED(group
); }
37 * Notifies that a new "transfer group" has been removed from the model
39 * @param group The "transfer group" that has just been removed
41 virtual void removedTransferGroupEvent(TransferGroupHandler
* group
){ Q_UNUSED(group
); }
43 // In the future we will have also notifications about new searches..
46 class TransferGroupObserver
49 virtual ~TransferGroupObserver(){}
52 * Notifies that a transfer has changed (status, progress, etc...)
54 * @param group The group that has changed
56 virtual void groupChangedEvent(TransferGroupHandler
* group
){ Q_UNUSED(group
); }
59 * Notifies that a new transfer has been added to this group
61 * @param transfer The transfer that has just been added
62 * @param after The transfer after which it has been added
64 virtual void addedTransferEvent(TransferHandler
* transfer
, TransferHandler
* after
){ Q_UNUSED(transfer
); Q_UNUSED(after
); }
67 * Notifies that a new transfer has been removed from this group.
68 * Note that from the moment the view receives this signal on, the
69 * pointer to the transferHandler becomes invalid.
71 * @param transfer The transfer that has just been removed
73 virtual void removedTransferEvent(TransferHandler
* transfer
){ Q_UNUSED(transfer
); }
76 * Notifies that a transfer previously belonging to this group
77 * has been moved whithin the group.
79 * @param transfer The transfer that has just been moved
80 * @param after The transfer after which it has been moved
82 virtual void movedTransferEvent(TransferHandler
* transfer
, TransferHandler
* after
){ Q_UNUSED(transfer
); Q_UNUSED(after
); }
85 * Notifies that this group has been deleted
87 * @param group This group's handler
89 virtual void deleteEvent(TransferGroupHandler
* group
){ Q_UNUSED(group
); }
92 class TransferObserver
95 virtual ~TransferObserver(){}
98 * Notifies that a transfer has changed (status, progress, ...)
100 * @param transfer The transfer that has changed
102 virtual void transferChangedEvent(TransferHandler
* transfer
){ Q_UNUSED(transfer
); }
105 * Notifies that this transfer has been deleted
107 * @param transfer This transfer's handler
109 virtual void deleteEvent(TransferHandler
* transfer
){ Q_UNUSED(transfer
); }
113 // Here we should add also other observers (SearchObserver)